Originally Posted by
path49
I got some of those in a notions lot I got on ebay. They're pleaters...actually have nothing to do with the machine. You set the size of the pleats with the prongs....slide one prong under & one prong over the fabric. Then turn the gizmo over & pin (or sew) your pleat....repeating for each pleat.
Thanks path49 and NiaJane! That's why I had no idea what they were. I knew they didn't belong to the machine but they looked interesting and are a lovely shade of blue.